Shared Projects by dr2chase

Shared Projects by dr2chase

My Projects

LED+5V supplies from dynamo, analog ctl

2 layer board of 3.89 x 0.98 inches (98.8 x 24.8 mm)
Uploaded: March 20th 2016
Shared: March 20th 2016
Total Price: $18.95

Constant-current draw from bicycle dynamo into LEDs and 5V supply, 5V supply has priority

Constant-current draw from bicycle dynamo into LEDs and 5V supply, 5V supply has priority

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LEDAnd5vSupplyWithSwitchesAndAvr

2 layer board of 3.91 x 3.15 inches (99.3 x 80.0 mm)
Uploaded: January 6th 2015
Shared: January 6th 2015
Total Price: $61.55

Bicycle hub power distribution – some to LEDs, some to USB, includes microcontroller and switches for directing LED current.

[Parts list](https://docs.go…

Bicycle hub power distribution – some to LEDs, some to USB, includes microcontroller and switches for directing LED current.

[Parts list](https://docs.go…

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Compact Rectifier optional Doubler

2 layer board of 2.14 x 0.78 inches (54.2 x 19.7 mm)
Uploaded: July 13th 2014
Shared: August 29th 2014
Total Price: $8.25

A modified optional Greinacher doubler. To build, needs 4 SB540 (or similar) diodes, 2 1000uF x 16V caps, 1 10k-22k uF x 16V cap, optional 3.5mm termin…

A modified optional Greinacher doubler. To build, needs 4 SB540 (or similar) diodes, 2 1000uF x 16V caps, 1 10k-22k uF x 16V cap, optional 3.5mm termin…

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Doubler to fit in a tube #3

2 layer board of 2.39 x 0.72 inches (60.8 x 18.3 mm)
Uploaded: May 21st 2014
Shared: May 21st 2014
Total Price: $8.60

Modified Greinacher doubler, 3 by ¾ diameter (plus extra shim). Intended to use SB540 diodes (they're large, but they are intended to physically butt agai…

Modified Greinacher doubler, 3 by ¾ diameter (plus extra shim). Intended to use SB540 diodes (they're large, but they are intended to physically butt agai…

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RectDoubleLongSimple-2013-12-22-15-

2 layer board of 2.84 x 0.87 inches (72.0 x 22.0 mm)
Uploaded: December 22nd 2013
Shared: December 22nd 2013
Total Price: $12.25

Modified Greinacher doubler, skinny. Intended to convert bicycle "generator" (sidewall or hub) to LED current. Recommend four SB540 diodes, two 1mF x 16V…

Modified Greinacher doubler, skinny. Intended to convert bicycle "generator" (sidewall or hub) to LED current. Recommend four SB540 diodes, two 1mF x 16V…

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